Soliva anthemifolia

Plants mostly 3–15 (–30+) cm (high or across), ± villous, glabrescent (sometimes stoloniferous, ± mat-forming). Leaves mostly basal; blades ± obovate to spatulate, 3–8 (–15) cm, 2–3-pinnati-palmately lobed. Heads mostly clustered in leaf-axils (at ground level), rarely scattered along stems. Involucres 4–8+ mm diam. Pistillate florets (20–) 50–100+ in 1–8+ series. Disc-florets 2–4+; corollas 1.5–2 mm. Cypselae: bodies oblanceolate to cuneate-oblong, 1.5–2+ mm, wings transversely rugulose or ribbed on proximal 2/3, shoulders not spinose laterally, faces distally villous to pilose, sometimes glabrescent; pappi 0 (persistent stylar sheaths indurate, spinelike, 1.5–3 mm, usually inflexed). 2n = 118 (Punjab).

Phenology: Flowering Mar–May(–Aug).
Habitat: Disturbed sites
Elevation: 10–100+ m

Introduced; Ark., Fla., La., Tex., South America, also in Mexico, Asia, Australia

Discussion

Selected References

None.

Lower Taxa